Home / 19,314,379.20-28,971,568.80-5,851,207.20

Finding the Fourth Proportional to 19,314,379.20, 28,971,568.80 and 5,851,207.20

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Solution

The fourth proportional to 19,314,379.20, 28,971,568.80 and 5,851,207.20 is: 8,776,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314,379.20 : 28,971,568.80 = 5,851,207.20 : x
  2. Step 2: Convert to fraction form
    19,314,379.20/28,971,568.80 = 5,851,207.20/x
  3. Step 3: Cross multiply
    19,314,379.20x = 28,971,568.80 × 5,851,207.20
  4. Step 4: Simplify right side
    19,314,379.20x = 169,518,651,957,855.38
  5. Step 5: Solve for x
    x = 169,518,651,957,855.38/19,314,379.20
  6. Step 6: Final answer
    x = 8,776,810.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.